# Center NRG vs BO mind

The clearest difference is in-app purchases: Center NRG at none against BO mind's 1. BO mind's advantage is update cadence (weekly vs every 26 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. BO mind sells 1 in-app purchase, starting at $59.99 per year. Center NRG asks for nothing beyond the download.

Center NRG ships an update every 26 months, BO mind weekly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Center NRG | BO mind |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 26 months | **Weekly** |
| Size | 34 MB | 64 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nejc Horvat](https://appshunter.io/developer/1662090597) | [Extra Dev](https://appshunter.io/developer/1726126593) |

## What reviewers say

### Center NRG

[App page](https://appshunter.io/ios/app/center-nrg/id1614504895)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### BO mind

[App page](https://appshunter.io/ios/app/bo-mind/id6476176374)

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 12 mesecev | $59.99 | per year |


## Frequently asked questions

### Is Center NRG free?

Center NRG is free to download, with no in-app purchases.

### Is BO mind free?

BO mind is free to download, with in-app purchases available.

### Do Center NRG or BO mind have ads?

Neither Center NRG nor BO mind shows ads.

### Which is updated more often, Center NRG or BO mind?

Center NRG ships an update every 26 months, and BO mind weekly. Most recently, Center NRG was updated on November 3, 2026 and BO mind on November 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*